Finding the Third Proportional to 40,689 and 60,993

Step by Step Solution

1. Step 1: Write the proportion equation
   40,689 : 60,993 = 60,993 : x
2. Step 2: Convert to fraction form
   40,689/60,993 = 60,993/x
3. Step 3: Cross multiply
   40,689x = 60,993 × 60,993
4. Step 4: Simplify right side
   40,689x = 3,720,146,049
5. Step 5: Solve for x
   x = 3,720,146,049/40,689
6. Step 6: Final answer
   x = 91,428.79